Lumos: A Python Instrument Control Library for Photonics

Asp, Khope

doi:10.20944/preprints202106.0015.v1

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2022

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“…The peak of the drop spectrum decreases with wavelength as the polarization controller is not tuned for every voltage applied to the ring signal pad. We automated the measurements with functions from Lumos, an instrument control library in python [14]. We use MRR from founndry process design kit (PDK) in this paper.…”

Section: Resultsmentioning

confidence: 99%

Compact Wavelength Selective Crossbar Switch with Cascaded First Order Micro-Ring Resonators

et al. 2022

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We demonstrate a compact 4×4 wavelength selective switch with 50% fewer electrical signal pads as compared with our previous generation. We report loss and crosstalk for different paths of the switch. We measure median loss of 5.32 dB and worst case crosstalk of −35 dB. The microring resonators tune by more than one free spectral range, which is an improvement over our previous generation of switches. This switch can support 8 channels at 400 GHz spacing. We conclude that it is possible to drive both microring resonators with the same voltage and separate control is not required if the fabrication variation reduces in the future.

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Section: Resultsmentioning

confidence: 99%